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Preparation method of drier for water-based alkyd resin

A technology of water-based alkyd resin and drier, which is applied in the direction of polyester coatings and coatings. It can solve the problems of deep color, high viscosity, and heavy odor of drier, and achieve short surface drying time, good whiteness, Promotes the drying effect of the bottom layer

Inactive Publication Date: 2018-06-15
谢新昇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a method for preparing a drier for water-based alkyd resin in view of the problems of the drier itself, such as deep color, high viscosity, heavy odor, and high toxicity

Method used

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  • Preparation method of drier for water-based alkyd resin

Examples

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Effect test

example 1

[0025] Take 200g of soybean oil and 100g of rosin oil into a flask, heat to 70°C, keep stirring at 300r / min for 20min, cool to room temperature to obtain solvent oil, take 50g of isooctanoic acid, add it to 200g of solvent oil, and stir at 300r / min for 20min , then add 60g of 15% sodium hydroxide solution dropwise at 1g / min, heat to 70°C after the dropwise addition, keep stirring for 3h, let stand for 1h to separate layers and remove the lower water layer, then adjust the pH to 6.5, to obtain saponified oil, add 60g mass fraction of 10% vanadium trichloride solution, 100g mass fraction of 10% zirconium oxychloride solution, and 90g mass fraction of 10% cerium chloride solution to the saponified oil at 1mL / min After the dropwise addition, keep stirring for 3 hours, let stand for 1 hour to separate layers and remove the lower water layer, then mix with 500 mL of deionized water at a temperature of 80°C, clean with 100W ultrasonic waves for 10 minutes, let stand for 1 layer and re...

example 2

[0027] Take 250g of soybean oil and 150g of rosin oil into a flask, heat to 80°C, keep stirring at 350r / min for 25min, cool to room temperature to obtain solvent oil, take 75g of isooctanoic acid, add it to 250g of solvent oil, and stir at 350r / min for 25min , then add 90g of 15% sodium hydroxide solution dropwise at 1g / min, heat to 75°C after the dropwise addition, keep stirring for 4h, let stand for 2h to separate layers and remove the lower water layer, then adjust the pH to 7.0, to get saponified oil, add dropwise 90g mass fraction of 10% vanadium trichloride solution, 150g mass fraction of 10% zirconium oxychloride solution, 135g mass fraction of 10% cerium chloride solution in saponified oil at 1mL / min After the dropwise addition, keep stirring for 4 hours, let stand for 1 hour to separate and remove the lower water layer, then mix with 650 mL of deionized water at a temperature of 85°C, clean with 100W ultrasonic wave for 15 minutes, let stand for 1 layer and remove the ...

example 3

[0029] Take 300g of soybean oil and 200g of rosin oil into a flask, heat to 90°C, keep stirring at 400r / min for 30min, cool to room temperature to obtain solvent oil, take 100g of isooctanoic acid, add it to 300g of solvent oil, and stir at 400r / min for 30min , then add 120g of 15% sodium hydroxide solution dropwise at 2g / min. After the dropwise addition, heat to 80°C, keep stirring for 5h, let stand for 2h to separate layers and remove the lower water layer, and then use isooctanoic acid to adjust the pH to 7.5, to obtain saponified oil, add 120g mass fraction of 10% vanadium trichloride solution, 200g mass fraction of 10% zirconium oxychloride solution, and 180g mass fraction of 10% cerium chloride solution in saponified oil at 2mL / min After the dropwise addition, keep stirring for 5 hours, let stand for 2 hours to separate layers and remove the lower water layer, then mix with 800mL deionized water at a temperature of 90°C, clean with 100W ultrasonic waves for 20 minutes, le...

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Abstract

The invention relates to a preparation method of a drier for water-based alkyd resin, and belongs to the technical field of fine chemical engineering. According to the method provided by the invention, vanadium trichloride, zirconium oxychloride, cerium chloride and isooctanoic acid are used as main raw materials, and the drier for the water-based alkyd resin is prepared by using an organic acid saponification method. According to the method, cerium isooctanoate is used as a main drier which influences the surface drying of a paint film, and then with the matching of zirconium isooctanoate andvanadium isooctanoate, the surface drying promoting effect is excellent; when a coating forms a film by coating, the alkyd resin is gradually oxidized into a peroxide and reacts with strong metal ions having high reducibility to form a strong redox couple, the formation of free radicals of active molecules is accelerated, and further the quick curing of the alkyd resin is promoted; and with the high oxygen content on the surface of the coating film, the alkyd resin is quickly oxidized, and the amount of the formed peroxide is large, so that the curing of the surface layer is faster, and the surface drying time is shorter.

Description

technical field [0001] The invention relates to a preparation method of a drier for water-based alkyd resin, belonging to the technical field of fine chemicals. Background technique [0002] In recent years, with the continuous improvement of people's awareness of environmental protection, the demand for water-based coatings has continued to increase. Compared with other resins, the advantage of water-based alkyd resin is that it uses a large amount of vegetable oil or fatty acid, is less dependent on petroleum products, and is cured in the form of air and oxygen, so that the cost of resin curing is lower, and it greatly reduces the content. Comply with the requirements of environmental protection, so the market prospect is broad. However, a large amount of water exists, which changes the drying performance of the resin. Therefore, an auxiliary agent is needed to improve the performance of the water-based alkyd resin, but the direct introduction of the solvent-based drier ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D7/63C09D7/61C09D167/08
CPCC09D167/08
Inventor 谢新昇王文新史玉玲
Owner 谢新昇
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